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Coke oven inspection robot with AI algorithms, 3-day offline inspection, 286 m in 11 min, dual-spectrum camera, 75%+ domestic components, and Ex db ib IIC T4 certification for coking plants.
The Coke Oven Inspection Robot is a purpose-built intelligent inspection device for coking plants, supporting long-endurance single- or bidirectional inspection with 24-hour continuous monitoring. It real-time detects various coke oven abnormal conditions — gas valve anomalies, reversing lever status, gas content deviations — and delivers rapid response, integrating with existing industrial automation and safety monitoring systems.
Coke ovens operate in one of the most hostile industrial environments on earth — extreme heat, flammable and toxic gases, heavy particulate, and confined access spaces. Routine inspection of coke oven gas valves, reversing levers, reversing cocks, and gas content is essential for safe operation, but manual inspection exposes personnel to severe heat stress, gas exposure, and burn hazards. The Coke Oven Inspection Robot is engineered to perform this inspection autonomously, with sensors and algorithms specifically developed for coke oven inspection tasks.
The robot's AI intelligent inspection algorithms perform automated recognition of reversing lever/cock/coke valve angles, gas valve (damper) open/close status, and lifting rod elevation judgment — the key mechanical indicators of coke oven operating health. These algorithms replace the visual judgment of experienced human inspectors with consistent, 24-hour automated analysis that never fatigues, never overlooks a developing fault, and never exposes a human to hazard. The robot operates in Class II explosion-proof environments (coke oven area) with Ex db ib IIC T4 Gb certification.
A groundbreaking feature is the industry-first offline inspection capability. When network connectivity is unavailable — a common situation in the RF-hostile environment around large coke oven batteries — the robot continues operating for up to 3 days, completing 100 inspection rounds with all data stored locally for 5+ years. This capability ensures that inspection continuity is never broken by communication failures, and the long data retention supports trend analysis and regulatory audit requirements.
A single robot can cover a single oven's inspection requirements, completing 286 meters of synchronized inspection in just 11 minutes. Multi-robot single-platform centralized control enables coordinated inspection across multiple ovens from a single control interface. The robot's domestic architecture achieves over 75% component localization with 100% localization of the core control unit, and it has passed HarmonyOS (OpenHarmony) certification — ensuring supply chain security and domestic technology sovereignty.
The robot's sensor suite includes a dual-spectrum PTZ camera (30× optical zoom 1080P visible light + 384×288 infrared thermal imaging with −20 °C to +550 °C range), infrared temperature measurement, audio acquisition, gas detection, and smoke detection. The robot travels on a suspended rail at speeds up to 0.6 m/s, handles slopes up to 40°, and has a horizontal turning radius of ≥1.5 m and vertical radius of ≥2 m. With a full-charge range of ≥5 km on level track, 4-hour charging time, operating temperature of −20 °C to 90 °C, and IP65 protection, the robot is engineered for the extreme coke oven environment.
| Parameter | Value |
|---|---|
| Applicable Environment | Class II explosion-proof (coke oven area) |
| Dimensions | L750 mm × W360 mm × H460 mm (±20 mm) |
| Weight | ≤60 kg |
| Operating Voltage | AC 127 V / 220 V / 380 V |
| Operating Current | ≤9 A |
| Explosion-Proof Rating | Ex db ib IIC T4 Gb |
| Travel Mechanism | Suspended rail |
| Travel Speed | ≤0.6 m/s |
| Climbing Ability | ≤40° slope |
| Turning Radius | Horizontal ≥1.5 m, vertical ≥2 m |
| Power Supply | Explosion-proof battery |
| Camera | 30× optical zoom, 1080P, 5 MP, self-cleaning |
| Infrared Thermal Imager | 384×288, −20 °C to +550 °C |
| PTZ | Horizontal 0°–360°, vertical −90° to +90° |
| Range (full charge) | ≥5 km level track |
| Charging Time | 4 h |
| Operating Temperature | −20 °C to 90 °C |
| Operating Humidity | 5–95% non-condensing |
| Protection Rating | IP65 |
Coking plant coke oven inspection, Class II explosion-proof environment inspection, and integration with industrial automation and safety monitoring systems.
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